Mr. Kyong-Ho Kim demonstrates microscope analysis to Kelly Wu, showing how the presence of asbestos fibers are identified in the laboratory. Ms. Wu is a senior at Seoul American High School, and shadowed Far East District staff members on Nov. 5, 2015 to learn more about what they do. Mr. Kim is a chemist in the geotechnical and environmental engineering branch of the Far East District of the U.S. Army Corps of Engineers. (Photo courtesy of Dr. Son-Chu Chon, U.S. Army Corps of Engineers)